ELRoby, A. S., & Darwish, M. G. (2018). Biological activity of certain natural products against Varroa destructor (Acari:Varroidae) and their selectivity against Apis mellifera (Hymenoptera: Apidae). Journal of Phytopathology and Disease Management, 5(3), 67–76. Retrieved from https://ppmj.net/index.php/ppmj/article/view/158